Steam-engine



A. T. BBMIS.

STEAM' ENGINE.

(No Model.)

No. 411,706. Patented Sept. 24, 1889.

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. UNITED STATES PATENT .@rricn.

ALBERT T. BEMIS, OF LOUISVILLE, KENTUCKY,

STEAM-ENGINE,

SPEIFICATION forming part of Letters Patent No. 411,706, dated September 24, 1889.

I Application iiled April 29, 1889. Serial No. 308,923. (No model To @ZZ whom it may concern:

Beit known that I, ALBERT T. BEMIs, a citizen of the United States, residing at Louisville, in the county of Jefferson and State of Kentucky, have invented certain new and useful Improvements in Vertical Single-Aeting Steam-Engines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the saine.

My invention relates to the class of: vertical single-acting steanrcngines in which the cylinder is placed above a base and crankchamber closed atbottom, so as to form a receptacle for oil, so that all the Wearing paris of engine are inclosed and move in a lubricating material, and which are especially adapted for high speed, as they take steam only above the pistonhead and take up their lost motion. These engines may be constructed with one or more cylinders, and When only one cylinder is used the crankshaft is supplied with counter-balances- In engines of this classas ordinarilyconstructed the bottoni of the cylinder opens directly into the base and crank-chamber and the Water of condensation runs down the sides of the cylinder and base-chamber and mingles with the oil. In order to prevent too much accumulation oit' Water and oil, these engines are supplied with an overflow-pipe at a proper.

4 der-head to suit the stroke of the piston a of Water into the base-chamber is prevented, and I am able to dispense with the use of oilcups and an overiioW-pipe in the base-chamber and to pour the proper quantity of oil into the base-chamber, Where it does its Work without Waste from overflow and requires no attention except replenishing every iew Weeks. p

My invention is illustrated in the accompanying drawing, which represents a vertical section of an engine ot the class described.

In the drawing, A represents the cylinder; B, the base and crank-chamber; A', the cylinder-head; A2, the partition I provide in the cylinder to shut oft Water from the base-chant ber; A3, the drip-pipe; C, the piston-head; C', the piston-rod; C2, the connecting-rod; G3, the stufiing-box for the piston-rod5 D, the cross-head, and D the slides.

E E represent the crank-shaft With counterbalances; F E, the stuffing-boxes against oil only; S, the steam-chest; G, the pipe to admit steam; 1I, t-he slide-valve, and I I the main bearings attached to base.

The dotted line O shows the height to which the base-chamber is filled with oil.

Having` thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

The combination, in a single-acting vertical engine in which the cylinder is provided with a steam-port at its upper end and an exhaust-port independent ot' the lower side of the piston, of a lower head in the cylinder, between the crank-pit and Jthe piston, provided With a stuffing-box for the piston-rod, and a pipe leading` from the lower end of the cylinder to the atmosphere to carry off the Water of condensation that escapes past the piston,

substantially as and for the purpose described.

In testimony Whereof I affix inysignature in presence of two Witnesses.

VLBERT T. BEMIS. f lVitnesses:

Roer. ELLIOTT, M. H. FERRELL. 

